<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>菜鸟教程(runoob.com)</title>
    <script src="../js/vue.min.js"></script>
</head>
<body>
<p>修改输入框的值，查看效果：</p>
<div id="app">
    <select v-model="selected" multiple>
        <option value="a1" selected>A</option>
        <option  value="b1">B</option>
        <option  value="c1">C</option>
    </select> <br> <span>Selected: {{ selected | json }}</span>
</div>
<!-- JavaScript 代码需要放在尾部（指定的HTML元素之后） -->
<script src="./js/vueapp.js"></script>
</body>
</html>
